Home / 734,788.68-1,013,999.45-412,490.49

Finding the Fourth Proportional to 734,788.68, 1,013,999.45 and 412,490.49

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Solution

The fourth proportional to 734,788.68, 1,013,999.45 and 412,490.49 is: 569,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,788.68 : 1,013,999.45 = 412,490.49 : x
  2. Step 2: Convert to fraction form
    734,788.68/1,013,999.45 = 412,490.49/x
  3. Step 3: Cross multiply
    734,788.68x = 1,013,999.45 × 412,490.49
  4. Step 4: Simplify right side
    734,788.68x = 418,265,127,927.78
  5. Step 5: Solve for x
    x = 418,265,127,927.78/734,788.68
  6. Step 6: Final answer
    x = 569,231.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.